AI model developers have long offered consumers a simple deal: Use our technology for free through an online chatbot, or pay a monthly subscription to receive more usage, premium features, and advanced models. Anthropic is about to make that bargain a lot more complicated.Starting on July 12 at 11:59PM PT, subscribers to Anthropic’s $20, $100, and $200-a-month plans will need to pay additional usage-based fees to access Claude Fable 5, the consumer version of the company’s highly capable Mythos ...